frostfs-testcases/robot/resources/lib/python_keywords/session_token.py
anastasia prasolova a56734ed93 part of []
Signed-off-by: anastasia prasolova <anastasia@nspcc.ru>
2022-06-14 00:03:53 +03:00

102 lines
3.2 KiB
Python

#!/usr/bin/python3
"""
This module contains keywords for work with session token.
"""
import base64
import json
import os
import uuid
from neo3 import wallet
from common import WALLET_CONFIG, ASSETS_DIR
from cli_helpers import _cmd_run
import json_transformers
from robot.api.deco import keyword
from robot.api import logger
from robot.api.deco import keyword
ROBOT_AUTO_KEYWORDS = False
# path to neofs-cli executable
NEOFS_CLI_EXEC = os.getenv('NEOFS_CLI_EXEC', 'neofs-cli')
@keyword('Generate Session Token')
def generate_session_token(owner: str, session_wallet: str, cid: str = '') -> str:
"""
This function generates session token for ContainerSessionContext
and writes it to the file. It is able to prepare session token file
for a specific container (<cid>) or for every container (adds
"wildcard" field).
Args:
owner(str): wallet address of container owner
session_wallet(str): the path to wallet to which we grant the
access via session token
cid(optional, str): container ID of the container; if absent,
we assume the session token is generated for any
container
Returns:
(str): the path to the generated session token file
"""
file_path = f"{os.getcwd()}/{ASSETS_DIR}/{uuid.uuid4()}"
session_wlt_content = ''
with open(session_wallet) as fout:
session_wlt_content = json.load(fout)
session_wlt = wallet.Wallet.from_json(session_wlt_content, password="")
pub_key_64 = base64.b64encode(
bytes.fromhex(
str(session_wlt.accounts[0].public_key)
)
).decode('utf-8')
session_token = {
"body": {
"id": f"{base64.b64encode(uuid.uuid4().bytes).decode('utf-8')}",
"ownerID": {
"value": f"{json_transformers.encode_for_json(owner)}"
},
"lifetime": {
"exp": "100000000",
"nbf": "0",
"iat": "0"
},
"sessionKey": f"{pub_key_64}",
"container": {
"verb": "PUT",
"wildcard": cid != '',
**({"containerID":
{"value": f"{base64.b64encode(cid.encode('utf-8')).decode('utf-8')}"}
} if cid != '' else {}
)
}
}
}
logger.info(f"Got this Session Token: {session_token}")
with open(file_path, 'w', encoding='utf-8') as session_token_file:
json.dump(session_token, session_token_file, ensure_ascii=False, indent=4)
return file_path
@keyword('Sign Session Token')
def sign_session_token(session_token: str, wlt: str):
"""
This function signs the session token by the given wallet.
Args:
session_token(str): the path to the session token file
wlt(str): the path to the signing wallet
Returns:
(str): the path to the signed token
"""
signed_token = f"{os.getcwd()}/{ASSETS_DIR}/{uuid.uuid4()}"
cmd = (
f'{NEOFS_CLI_EXEC} util sign session-token --from {session_token} '
f'-w {wlt} --to {signed_token} --config {WALLET_CONFIG}'
)
_cmd_run(cmd)
return signed_token